NDLI: Channel equalisation and data detection for SEFDM over frequency selective fading channels

Content Provider	IET Digital Library
Author	Yu, Baoxian Zhang, Han Hong, Xudong Guo, Changjian Lau, Alan Pak Tao Lu, Chao Dai, Xianhua
Abstract	Spectrally efficient frequency division multiplexing (SEFDM) has been recognised as a promising multi-carrier technology since it can offer a higher spectral efficiency than orthogonal frequency division multiplexing (OFDM). In this study, the authors provide a framework for SEFDM transceiver design and investigate the techniques of channel equalisation and data detection of SEFDM over frequency selective fading scenarios. Specifically, they first demonstrate through mathematical analysis that SEFDM with the proposed frequency-domain equalisation scheme can benefit from the frequency diversity, and thus, performs more robust to the frequency selective fading environment than OFDM. To effectively mitigate inter-carrier interference raised by the non-orthogonality between sub-carriers of SEFDM, they then propose a low-computational data detection scheme based on the Viterbi principle and maximum a posteriori criterion. The proposed detector can provide an indistinguishable performance from the maximum likelihood detection using sphere decoding while entailing a much lower computation. Numerical results validate the superiority of SEFDM to OFDM over frequency selective fading channels.
Starting Page	2315
Ending Page	2323
Page Count	9
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 18, Nov (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5114
Journal	IET Communications
Publisher Date	2018-08-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Channel Equalisation Code Communication Channel Equalisation And Identification Electromagnetic Compatibility Equaliser Fading Channel Frequency Diversity Frequency Domain Analysis Frequency Selective Fading Channel Frequency-domain Equalisation Scheme Higher Spectral Efficiency Inter-carrier Interference Mitigation Intercarrier Interference Interference Interference Suppression Low-computational Data Detection Scheme Mathematical Analysi Mathematical Analysis Maximum A Posteriori Criterion Maximum Likelihood Detection Maximum Likelihood Estimation Multicarrier Technology OFDM OFDM Modulation Orthogonal Frequency Division Multiplexing System Radio Link And Equipment Radio Transceivers SEFDM Transceiver Design Signal Detection Spectrally Efficient Frequency Division Multiplexing Sphere Decoding Statistics Viterbi Decoding Viterbi Principle
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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